Kerri L. Donaldson Hanna



Department of Geological Sciences

Brown University

324 Brook Street, Box 1846

Providence, RI 02912

Upper Left: Mount St. Helens National Volcanic Monument.

Lower Left: Keeler Crater on the Moon.  NASA Image AS10-32-4823.

Upper Right: The Moon observed from the NASA Infrared Telescope Facility (IRTF) on Mauna Kea, Hawaii.